diff options
| -rw-r--r-- | drivers/acpi/acpica/acapps.h | 170 | ||||
| -rw-r--r-- | tools/power/acpi/common/getopt.c | 239 | ||||
| -rw-r--r-- | tools/power/acpi/os_specific/service_layers/oslinuxtbl.c | 1275 | ||||
| -rw-r--r-- | tools/power/acpi/os_specific/service_layers/osunixdir.c | 204 | ||||
| -rw-r--r-- | tools/power/acpi/os_specific/service_layers/osunixmap.c | 151 | ||||
| -rw-r--r-- | tools/power/acpi/tools/acpidump/acpidump.h | 131 | ||||
| -rw-r--r-- | tools/power/acpi/tools/acpidump/apdump.c | 451 | ||||
| -rw-r--r-- | tools/power/acpi/tools/acpidump/apfiles.c | 228 | ||||
| -rw-r--r-- | tools/power/acpi/tools/acpidump/apmain.c | 340 |
9 files changed, 3189 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/acapps.h b/drivers/acpi/acpica/acapps.h new file mode 100644 index 0000000..8698ffb --- /dev/null +++ b/drivers/acpi/acpica/acapps.h @@ -0,0 +1,170 @@ +/****************************************************************************** + * + * Module Name: acapps - common include for ACPI applications/tools + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2014, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#ifndef _ACAPPS +#define _ACAPPS + +/* Common info for tool signons */ + +#define ACPICA_NAME "Intel ACPI Component Architecture" +#define ACPICA_COPYRIGHT "Copyright (c) 2000 - 2014 Intel Corporation" + +#if ACPI_MACHINE_WIDTH == 64 +#define ACPI_WIDTH "-64" + +#elif ACPI_MACHINE_WIDTH == 32 +#define ACPI_WIDTH "-32" + +#else +#error unknown ACPI_MACHINE_WIDTH +#define ACPI_WIDTH "-??" + +#endif + +/* Macros for signons and file headers */ + +#define ACPI_COMMON_SIGNON(utility_name) \ + "\n%s\n%s version %8.8X%s [%s]\n%s\n\n", \ + ACPICA_NAME, \ + utility_name, ((u32) ACPI_CA_VERSION), ACPI_WIDTH, __DATE__, \ + ACPICA_COPYRIGHT + +#define ACPI_COMMON_HEADER(utility_name, prefix) \ + "%s%s\n%s%s version %8.8X%s [%s]\n%s%s\n%s\n", \ + prefix, ACPICA_NAME, \ + prefix, utility_name, ((u32) ACPI_CA_VERSION), ACPI_WIDTH, __DATE__, \ + prefix, ACPICA_COPYRIGHT, \ + prefix + +/* Macros for usage messages */ + +#define ACPI_USAGE_HEADER(usage) \ + printf ("Usage: %s\nOptions:\n", usage); + +#define ACPI_OPTION(name, description) \ + printf (" %-18s%s\n", name, description); + +#define FILE_SUFFIX_DISASSEMBLY "dsl" +#define ACPI_TABLE_FILE_SUFFIX ".dat" + +/* + * getopt + */ +int acpi_getopt(int argc, char **argv, char *opts); + +int acpi_getopt_argument(int argc, char **argv); + +extern int acpi_gbl_optind; +extern int acpi_gbl_opterr; +extern int acpi_gbl_sub_opt_char; +extern char *acpi_gbl_optarg; + +/* + * cmfsize - Common get file size function + */ +u32 cm_get_file_size(FILE * file); + +#ifndef ACPI_DUMP_APP +/* + * adisasm + */ +acpi_status +ad_aml_disassemble(u8 out_to_file, + char *filename, char *prefix, char **out_filename); + +void ad_print_statistics(void); + +acpi_status ad_find_dsdt(u8 **dsdt_ptr, u32 *dsdt_length); + +void ad_dump_tables(void); + +acpi_status ad_get_local_tables(void); + +acpi_status +ad_parse_table(struct acpi_table_header *table, + acpi_owner_id * owner_id, u8 load_table, u8 external); + +acpi_status ad_display_tables(char *filename, struct acpi_table_header *table); + +acpi_status ad_display_statistics(void); + +/* + * adwalk + */ +void +acpi_dm_cross_reference_namespace(union acpi_parse_object *parse_tree_root, + struct acpi_namespace_node *namespace_root, + acpi_owner_id owner_id); + +void acpi_dm_dump_tree(union acpi_parse_object *origin); + +void acpi_dm_find_orphan_methods(union acpi_parse_object *origin); + +void +acpi_dm_finish_namespace_load(union acpi_parse_object *parse_tree_root, + struct acpi_namespace_node *namespace_root, + acpi_owner_id owner_id); + +void +acpi_dm_convert_resource_indexes(union acpi_parse_object *parse_tree_root, + struct acpi_namespace_node *namespace_root); + +/* + * adfile + */ +acpi_status ad_initialize(void); + +char *fl_generate_filename(char *input_filename, char *suffix); + +acpi_status +fl_split_input_pathname(char *input_path, + char **out_directory_path, char **out_filename); + +char *ad_generate_filename(char *prefix, char *table_id); + +void +ad_write_table(struct acpi_table_header *table, + u32 length, char *table_name, char *oem_table_id); +#endif + +#endif /* _ACAPPS */ diff --git a/tools/power/acpi/common/getopt.c b/tools/power/acpi/common/getopt.c new file mode 100644 index 0000000..a302f52 --- /dev/null +++ b/tools/power/acpi/common/getopt.c @@ -0,0 +1,239 @@ +/****************************************************************************** + * + * Module Name: getopt + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2014, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +/* + * ACPICA getopt() implementation + * + * Option strings: + * "f" - Option has no arguments + * "f:" - Option requires an argument + * "f^" - Option has optional single-char sub-options + * "f|" - Option has required single-char sub-options + */ + +#include <stdio.h> +#include <string.h> +#include <acpi/acpi.h> +#include "accommon.h" +#include "acapps.h" + +#define ACPI_OPTION_ERROR(msg, badchar) \ + if (acpi_gbl_opterr) {fprintf (stderr, "%s%c\n", msg, badchar);} + +int acpi_gbl_opterr = 1; +int acpi_gbl_optind = 1; +int acpi_gbl_sub_opt_char = 0; +char *acpi_gbl_optarg; + +static int current_char_ptr = 1; + +/******************************************************************************* + * + * FUNCTION: acpi_getopt_argument + * + * PARAMETERS: argc, argv - from main + * + * RETURN: 0 if an argument was found, -1 otherwise. Sets acpi_gbl_Optarg + * to point to the next argument. + * + * DESCRIPTION: Get the next argument. Used to obtain arguments for the + * two-character options after the original call to acpi_getopt. + * Note: Either the argument starts at the next character after + * the option, or it is pointed to by the next argv entry. + * (After call to acpi_getopt, we need to backup to the previous + * argv entry). + * + ******************************************************************************/ + +int acpi_getopt_argument(int argc, char **argv) +{ + acpi_gbl_optind--; + current_char_ptr++; + + if (argv[acpi_gbl_optind][(int)(current_char_ptr + 1)] != '\0') { + acpi_gbl_optarg = + &argv[acpi_gbl_optind++][(int)(current_char_ptr + 1)]; + } else if (++acpi_gbl_optind >= argc) { + ACPI_OPTION_ERROR("Option requires an argument: -", 'v'); + + current_char_ptr = 1; + return (-1); + } else { + acpi_gbl_optarg = argv[acpi_gbl_optind++]; + } + + current_char_ptr = 1; + return (0); +} + +/******************************************************************************* + * + * FUNCTION: acpi_getopt + * + * PARAMETERS: argc, argv - from main + * opts - options info list + * + * RETURN: Option character or EOF + * + * DESCRIPTION: Get the next option + * + ******************************************************************************/ + +int acpi_getopt(int argc, char **argv, char *opts) +{ + int current_char; + char *opts_ptr; + + if (current_char_ptr == 1) { + if (acpi_gbl_optind >= argc || + argv[acpi_gbl_optind][0] != '-' || + argv[acpi_gbl_optind][1] == '\0') { + return (EOF); + } else if (strcmp(argv[acpi_gbl_optind], "--") == 0) { + acpi_gbl_optind++; + return (EOF); + } + } + + /* Get the option */ + + current_char = argv[acpi_gbl_optind][current_char_ptr]; + + /* Make sure that the option is legal */ + + if (current_char == ':' || + (opts_ptr = strchr(opts, current_char)) == NULL) { + ACPI_OPTION_ERROR("Illegal option: -", current_char); + + if (argv[acpi_gbl_optind][++current_char_ptr] == '\0') { + acpi_gbl_optind++; + current_char_ptr = 1; + } + + return ('?'); + } + + /* Option requires an argument? */ + + if (*++opts_ptr == ':') { + if (argv[acpi_gbl_optind][(int)(current_char_ptr + 1)] != '\0') { + acpi_gbl_optarg = + &argv[acpi_gbl_optind++][(int) + (current_char_ptr + 1)]; + } else if (++acpi_gbl_optind >= argc) { + ACPI_OPTION_ERROR("Option requires an argument: -", + current_char); + + current_char_ptr = 1; + return ('?'); + } else { + acpi_gbl_optarg = argv[acpi_gbl_optind++]; + } + + current_char_ptr = 1; + } + + /* Option has an optional argument? */ + + else if (*opts_ptr == '+') { + if (argv[acpi_gbl_optind][(int)(current_char_ptr + 1)] != '\0') { + acpi_gbl_optarg = + &argv[acpi_gbl_optind++][(int) + (current_char_ptr + 1)]; + } else if (++acpi_gbl_optind >= argc) { + acpi_gbl_optarg = NULL; + } else { + acpi_gbl_optarg = argv[acpi_gbl_optind++]; + } + + current_char_ptr = 1; + } + + /* Option has optional single-char arguments? */ + + else if (*opts_ptr == '^') { + if (argv[acpi_gbl_optind][(int)(current_char_ptr + 1)] != '\0') { + acpi_gbl_optarg = + &argv[acpi_gbl_optind][(int)(current_char_ptr + 1)]; + } else { + acpi_gbl_optarg = "^"; + } + + acpi_gbl_sub_opt_char = acpi_gbl_optarg[0]; + acpi_gbl_optind++; + current_char_ptr = 1; + } + + /* Option has a required single-char argument? */ + + else if (*opts_ptr == '|') { + if (argv[acpi_gbl_optind][(int)(current_char_ptr + 1)] != '\0') { + acpi_gbl_optarg = + &argv[acpi_gbl_optind][(int)(current_char_ptr + 1)]; + } else { + ACPI_OPTION_ERROR + ("Option requires a single-character suboption: -", + current_char); + + current_char_ptr = 1; + return ('?'); + } + + acpi_gbl_sub_opt_char = acpi_gbl_optarg[0]; + acpi_gbl_optind++; + current_char_ptr = 1; + } + + /* Option with no arguments */ + + else { + if (argv[acpi_gbl_optind][++current_char_ptr] == '\0') { + current_char_ptr = 1; + acpi_gbl_optind++; + } + + acpi_gbl_optarg = NULL; + } + + return (current_char); +} diff --git a/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c new file mode 100644 index 0000000..e975aa9 --- /dev/null +++ b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c @@ -0,0 +1,1275 @@ +/****************************************************************************** + * + * Module Name: oslinuxtbl - Linux OSL for obtaining ACPI tables + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2014, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include "acpidump.h" + +#define _COMPONENT ACPI_OS_SERVICES +ACPI_MODULE_NAME("oslinuxtbl") + +#ifndef PATH_MAX +#define PATH_MAX 256 +#endif +/* List of information about obtained ACPI tables */ +typedef struct osl_table_info { + struct osl_table_info *next; + u32 instance; + char signature[ACPI_NAME_SIZE]; + +} osl_table_info; + +/* Local prototypes */ + +static acpi_status osl_table_initialize(void); + +static acpi_status +osl_table_name_from_file(char *filename, char *signature, u32 *instance); + +static acpi_status osl_add_table_to_list(char *signature, u32 instance); + +static acpi_status +osl_read_table_from_file(char *filename, + acpi_size file_offset, + char *signature, struct acpi_table_header **table); + +static acpi_status +osl_map_table(acpi_size address, + char *signature, struct acpi_table_header **table); + +static void osl_unmap_table(struct acpi_table_header *table); + +static acpi_physical_address osl_find_rsdp_via_efi(void); + +static acpi_status osl_load_rsdp(void); + +static acpi_status osl_list_customized_tables(char *directory); + +static acpi_status +osl_get_customized_table(char *pathname, + char *signature, + u32 instance, + struct acpi_table_header **table, + acpi_physical_address * address); + +static acpi_status osl_list_bios_tables(void); + +static acpi_status +osl_get_bios_table(char *signature, + u32 instance, + struct acpi_table_header **table, + acpi_physical_address * address); + +static acpi_status osl_get_last_status(acpi_status default_status); + +/* File locations */ + +#define DYNAMIC_TABLE_DIR "/sys/firmware/acpi/tables/dynamic" +#define STATIC_TABLE_DIR "/sys/firmware/acpi/tables" +#define EFI_SYSTAB "/sys/firmware/efi/systab" + +/* Should we get dynamically loaded SSDTs from DYNAMIC_TABLE_DIR? */ + +u8 gbl_dump_dynamic_tables = TRUE; + +/* Initialization flags */ + +u8 gbl_table_list_initialized = FALSE; + +/* Local copies of main ACPI tables */ + +struct acpi_table_rsdp gbl_rsdp; +struct acpi_table_fadt *gbl_fadt = NULL; +struct acpi_table_rsdt *gbl_rsdt = NULL; +struct acpi_table_xsdt *gbl_xsdt = NULL; + +/* Table addresses */ + +acpi_physical_address gbl_fadt_address = 0; +acpi_physical_address gbl_rsdp_address = 0; + +/* Revision of RSD PTR */ + +u8 gbl_revision = 0; + +struct osl_table_info *gbl_table_list_head = NULL; +u32 gbl_table_count = 0; + +/****************************************************************************** + * + * FUNCTION: osl_get_last_status + * + * PARAMETERS: default_status - Default error status to return + * + * RETURN: Status; Converted from errno. + * + * DESCRIPTION: Get last errno and conver it to acpi_status. + * + *****************************************************************************/ + +static acpi_status osl_get_last_status(acpi_status default_status) +{ + + switch (errno) { + case EACCES: + case EPERM: + + return (AE_ACCESS); + + case ENOENT: + + return (AE_NOT_FOUND); + + case ENOMEM: + + return (AE_NO_MEMORY); + + default: + + return (default_status); + } +} + +/****************************************************************************** + * + * FUNCTION: acpi_os_get_table_by_address + * + * PARAMETERS: address - Physical address of the ACPI table + * table - Where a pointer to the table is returned + * + * RETURN: Status; Table buffer is returned if AE_OK. + * AE_NOT_FOUND: A valid table was not found at the address + * + * DESCRIPTION: Get an ACPI table via a physical memory address. + * + *****************************************************************************/ + +acpi_status +acpi_os_get_table_by_address(acpi_physical_address address, + struct acpi_table_header ** table) +{ + u32 table_length; + struct acpi_table_header *mapped_table; + struct acpi_table_header *local_table = NULL; + acpi_status status = AE_OK; + + /* Get main ACPI tables from memory on first invocation of this function */ + + status = osl_table_initialize(); + if (ACPI_FAILURE(status)) { + return (status); + } + + /* Map the table and validate it */ + + status = osl_map_table(address, NULL, &mapped_table); + if (ACPI_FAILURE(status)) { + return (status); + } + + /* Copy table to local buffer and return it */ + + table_length = ap_get_table_length(mapped_table); + if (table_length == 0) { + status = AE_BAD_HEADER; + goto exit; + } + + local_table = calloc(1, table_length); + if (!local_table) { + status = AE_NO_MEMORY; + goto exit; + } + + ACPI_MEMCPY(local_table, mapped_table, table_length); + +exit: + osl_unmap_table(mapped_table); + *table = local_table; + return (status); +} + +/****************************************************************************** + * + * FUNCTION: acpi_os_get_table_by_name + * + * PARAMETERS: signature - ACPI Signature for desired table. Must be + * a null terminated 4-character string. + * instance - Multiple table support for SSDT/UEFI (0...n) + * Must be 0 for other tables. + * table - Where a pointer to the table is returned + * address - Where the table physical address is returned + * + * RETURN: Status; Table buffer and physical address returned if AE_OK. + * AE_LIMIT: Instance is beyond valid limit + * AE_NOT_FOUND: A table with the signature was not found + * + * NOTE: Assumes the input signature is uppercase. + * + *****************************************************************************/ + +acpi_status +acpi_os_get_table_by_name(char *signature, + u32 instance, + struct acpi_table_header ** table, + acpi_physical_address * address) +{ + acpi_status status; + + /* Get main ACPI tables from memory on first invocation of this function */ + + status = osl_table_initialize(); + if (ACPI_FAILURE(status)) { + return (status); + } + + /* Not a main ACPI table, attempt to extract it from the RSDT/XSDT */ + + if (!gbl_dump_customized_tables) { + + /* Attempt to get the table from the memory */ + + status = + osl_get_bios_table(signature, instance, table, address); + } else { + /* Attempt to get the table from the static directory */ + + status = osl_get_customized_table(STATIC_TABLE_DIR, signature, + instance, table, address); + } + + if (ACPI_FAILURE(status) && status == AE_LIMIT) { + if (gbl_dump_dynamic_tables) { + + /* Attempt to get a dynamic table */ + + status = + osl_get_customized_table(DYNAMIC_TABLE_DIR, + signature, instance, table, + address); + } + } + + return (status); +} + +/****************************************************************************** + * + * FUNCTION: osl_add_table_to_list + * + * PARAMETERS: signature - Table signature + * instance - Table instance + * + * RETURN: Status; Successfully added if AE_OK. + * AE_NO_MEMORY: Memory allocation error + * + * DESCRIPTION: Insert a table structure into OSL table list. + * + *****************************************************************************/ + +static acpi_status osl_add_table_to_list(char *signature, u32 instance) +{ + struct osl_table_info *new_info; + struct osl_table_info *next; + u32 next_instance = 0; + u8 found = FALSE; + + new_info = calloc(1, sizeof(struct osl_table_info)); + if (!new_info) { + return (AE_NO_MEMORY); + } + + ACPI_MOVE_NAME(new_info->signature, signature); + + if (!gbl_table_list_head) { + gbl_table_list_head = new_info; + } else { + next = gbl_table_list_head; + while (1) { + if (ACPI_COMPARE_NAME(next->signature, signature)) { + if (next->instance == instance) { + found = TRUE; + } + if (next->instance >= next_instance) { + next_instance = next->instance + 1; + } + } + + if (!next->next) { + break; + } + next = next->next; + } + next->next = new_info; + } + + if (found) { + if (instance) { + fprintf(stderr, + "%4.4s: Warning unmatched table instance %d, expected %d\n", + signature, instance, next_instance); + } + instance = next_instance; + } + + new_info->instance = instance; + gbl_table_count++; + + return (AE_OK); +} + +/****************************************************************************** + * + * FUNCTION: acpi_os_get_table_by_index + * + * PARAMETERS: index - Which table to get + * table - Where a pointer to the table is returned + * instance - Where a pointer to the table instance no. is + * returned + * address - Where the table physical address is returned + * + * RETURN: Status; Table buffer and physical address returned if AE_OK. + * AE_LIMIT: Index is beyond valid limit + * + * DESCRIPTION: Get an ACPI table via an index value (0 through n). Returns + * AE_LIMIT when an invalid index is reached. Index is not + * necessarily an index into the RSDT/XSDT. + * + *****************************************************************************/ + +acpi_status +acpi_os_get_table_by_index(u32 index, + struct acpi_table_header ** table, + u32 *instance, acpi_physical_address * address) +{ + struct osl_table_info *info; + acpi_status status; + u32 i; + + /* Get main ACPI tables from memory on first invocation of this function */ + + status = osl_table_initialize(); + if (ACPI_FAILURE(status)) { + return (status); + } + + /* Validate Index */ + + if (index >= gbl_table_count) { + return (AE_LIMIT); + } + + /* Point to the table list entry specified by the Index argument */ + + info = gbl_table_list_head; + for (i = 0; i < index; i++) { + info = info->next; + } + + /* Now we can just get the table via the signature */ + + status = acpi_os_get_table_by_name(info->signature, info->instance, + table, address); + + if (ACPI_SUCCESS(status)) { + *instance = info->instance; + } + return (status); +} + +/****************************************************************************** + * + * FUNCTION: osl_find_rsdp_via_efi + * + * PARAMETERS: None + * + * RETURN: RSDP address if found + * + * DESCRIPTION: Find RSDP address via EFI. + * + *****************************************************************************/ + +static acpi_physical_address osl_find_rsdp_via_efi(void) +{ + FILE *file; + char buffer[80]; + unsigned long address = 0; + + file = fopen(EFI_SYSTAB, "r"); + if (file) { + while (fgets(buffer, 80, file)) { + if (sscanf(buffer, "ACPI20=0x%lx", &address) == 1) { + break; + } + } + fclose(file); + } + + return ((acpi_physical_address) (address)); +} + +/****************************************************************************** + * + * FUNCTION: osl_load_rsdp + * + * PARAMETERS: None + * + * RETURN: Status + * + * DESCRIPTION: Scan and load RSDP. + * + *****************************************************************************/ + +static acpi_status osl_load_rsdp(void) +{ + struct acpi_table_header *mapped_table; + u8 *rsdp_address; + acpi_physical_address rsdp_base; + acpi_size rsdp_size; + + /* Get RSDP from memory */ + + rsdp_size = sizeof(struct acpi_table_rsdp); + if (gbl_rsdp_base) { + rsdp_base = gbl_rsdp_base; + } else { + rsdp_base = osl_find_rsdp_via_efi(); + } + + if (!rsdp_base) { + rsdp_base = ACPI_HI_RSDP_WINDOW_BASE; + rsdp_size = ACPI_HI_RSDP_WINDOW_SIZE; + } + + rsdp_address = acpi_os_map_memory(rsdp_base, rsdp_size); + if (!rsdp_address) { + return (osl_get_last_status(AE_BAD_ADDRESS)); + } + + /* Search low memory for the RSDP */ + + mapped_table = ACPI_CAST_PTR(struct acpi_table_header, + acpi_tb_scan_memory_for_rsdp(rsdp_address, + rsdp_size)); + if (!mapped_table) { + acpi_os_unmap_memory(rsdp_address, rsdp_size); + return (AE_NOT_FOUND); + } + + gbl_rsdp_address = + rsdp_base + (ACPI_CAST8(mapped_table) - rsdp_address); + + ACPI_MEMCPY(&gbl_rsdp, mapped_table, sizeof(struct acpi_table_rsdp)); + acpi_os_unmap_memory(rsdp_address, rsdp_size); + + return (AE_OK); +} + +/****************************************************************************** + * + * FUNCTION: osl_table_initialize + * + * PARAMETERS: None + * + * RETURN: Status + * + * DESCRIPTION: Initialize ACPI table data. Get and store main ACPI tables to + * local variables. Main ACPI tables include RSDT, FADT, RSDT, + * and/or XSDT. + * + *****************************************************************************/ + +static acpi_status osl_table_initialize(void) +{ + acpi_status status; + acpi_physical_address address; + + if (gbl_table_list_initialized) { + return (AE_OK); + } + + /* Get RSDP from memory */ + + status = osl_load_rsdp(); + if (ACPI_FAILURE(status)) { + return (status); + } + + /* Get XSDT from memory */ + + if (gbl_rsdp.revision) { + if (gbl_xsdt) { + free(gbl_xsdt); + gbl_xsdt = NULL; + } + + gbl_revision = 2; + status = osl_get_bios_table(ACPI_SIG_XSDT, 0, + ACPI_CAST_PTR(struct + acpi_table_header *, + &gbl_xsdt), &address); + if (ACPI_FAILURE(status)) { + return (status); + } + } + + /* Get RSDT from memory */ + + if (gbl_rsdp.rsdt_physical_address) { + if (gbl_rsdt) { + free(gbl_rsdt); + gbl_rsdt = NULL; + } + + status = osl_get_bios_table(ACPI_SIG_RSDT, 0, + ACPI_CAST_PTR(struct + acpi_table_header *, + &gbl_rsdt), &address); + if (ACPI_FAILURE(status)) { + return (status); + } + } + + /* Get FADT from memory */ + + if (gbl_fadt) { + free(gbl_fadt); + gbl_fadt = NULL; + } + + status = osl_get_bios_table(ACPI_SIG_FADT, 0, + ACPI_CAST_PTR(struct acpi_table_header *, + &gbl_fadt), + &gbl_fadt_address); + if (ACPI_FAILURE(status)) { + return (status); + } + + if (!gbl_dump_customized_tables) { + + /* Add mandatory tables to global table list first */ + + status = osl_add_table_to_list(ACPI_RSDP_NAME, 0); + if (ACPI_FAILURE(status)) { + return (status); + } + + status = osl_add_table_to_list(ACPI_SIG_RSDT, 0); + if (ACPI_FAILURE(status)) { + return (status); + } + + if (gbl_revision == 2) { + status = osl_add_table_to_list(ACPI_SIG_XSDT, 0); + if (ACPI_FAILURE(status)) { + return (status); + } + } + + status = osl_add_table_to_list(ACPI_SIG_DSDT, 0); + if (ACPI_FAILURE(status)) { + return (status); + } + + status = osl_add_table_to_list(ACPI_SIG_FACS, 0); + if (ACPI_FAILURE(status)) { + return (status); + } + + /* Add all tables found in the memory */ + + status = osl_list_bios_tables(); + if (ACPI_FAILURE(status)) { + return (status); + } + } else { + /* Add all tables found in the static directory */ + + status = osl_list_customized_tables(STATIC_TABLE_DIR); + if (ACPI_FAILURE(status)) { + return (status); + } + } + + if (gbl_dump_dynamic_tables) { + + /* Add all dynamically loaded tables in the dynamic directory */ + + status = osl_list_customized_tables(DYNAMIC_TABLE_DIR); + if (ACPI_FAILURE(status)) { + return (status); + } + } + + gbl_table_list_initialized = TRUE; + return (AE_OK); +} + +/****************************************************************************** + * + * FUNCTION: osl_list_bios_tables + * + * PARAMETERS: None + * + * RETURN: Status; Table list is initialized if AE_OK. + * + * DESCRIPTION: Add ACPI tables to the table list from memory. + * + * NOTE: This works on Linux as table customization does not modify the + * addresses stored in RSDP/RSDT/XSDT/FADT. + * + *****************************************************************************/ + +static acpi_status osl_list_bios_tables(void) +{ + struct acpi_table_header *mapped_table = NULL; + u8 *table_data; + u8 number_of_tables; + u8 item_size; + acpi_physical_address table_address = 0; + acpi_status status = AE_OK; + u32 i; + + if (gbl_revision) { + item_size = sizeof(u64); + table_data = + ACPI_CAST8(gbl_xsdt) + sizeof(struct acpi_table_header); + number_of_tables = + (u8)((gbl_xsdt->header.length - + sizeof(struct acpi_table_header)) + / item_size); + } else { /* Use RSDT if XSDT is not available */ + + item_size = sizeof(u32); + table_data = + ACPI_CAST8(gbl_rsdt) + sizeof(struct acpi_table_header); + number_of_tables = + (u8)((gbl_rsdt->header.length - + sizeof(struct acpi_table_header)) + / item_size); + } + + /* Search RSDT/XSDT for the requested table */ + + for (i = 0; i < number_of_tables; ++i, table_data += item_size) { + if (gbl_revision) { + table_address = + (acpi_physical_address) (*ACPI_CAST64(table_data)); + } else { + table_address = + (acpi_physical_address) (*ACPI_CAST32(table_data)); + } + + status = osl_map_table(table_address, NULL, &mapped_table); + if (ACPI_FAILURE(status)) { + return (status); + } + + osl_add_table_to_list(mapped_table->signature, 0); + osl_unmap_table(mapped_table); + } + + return (AE_OK); +} + +/****************************************************************************** + * + * FUNCTION: osl_get_bios_table + * + * PARAMETERS: signature - ACPI Signature for common table. Must be + * a null terminated 4-character string. + * instance - Multiple table support for SSDT/UEFI (0...n) + * Must be 0 for other tables. + * table - Where a pointer to the table is returned + * address - Where the table physical address is returned + * + * RETURN: Status; Table buffer and physical address returned if AE_OK. + * AE_LIMIT: Instance is beyond valid limit + * AE_NOT_FOUND: A table with the signature was not found + * + * DESCRIPTION: Get a BIOS provided ACPI table + * + * NOTE: Assumes the input signature is uppercase. + * + *****************************************************************************/ + +static acpi_status +osl_get_bios_table(char *signature, + u32 instance, + struct acpi_table_header **table, + acpi_physical_address * address) +{ + struct acpi_table_header *local_table = NULL; + struct acpi_table_header *mapped_table = NULL; + u8 *table_data; + u8 number_of_tables; + u8 item_size; + u32 current_instance = 0; + acpi_physical_address table_address = 0; + u32 table_length = 0; + acpi_status status = AE_OK; + u32 i; + + /* Handle special tables whose addresses are not in RSDT/XSDT */ + + if (ACPI_COMPARE_NAME(signature, ACPI_RSDP_NAME) || + ACPI_COMPARE_NAME(signature, ACPI_SIG_RSDT) || + ACPI_COMPARE_NAME(signature, ACPI_SIG_XSDT) || + ACPI_COMPARE_NAME(signature, ACPI_SIG_DSDT) || + ACPI_COMPARE_NAME(signature, ACPI_SIG_FACS)) { + /* + * Get the appropriate address, either 32-bit or 64-bit. Be very + * careful about the FADT length and validate table addresses. + * Note: The 64-bit addresses have priority. + */ + if (ACPI_COMPARE_NAME(signature, ACPI_SIG_DSDT)) { + if ((gbl_fadt->header.length >= MIN_FADT_FOR_XDSDT) && + gbl_fadt->Xdsdt) { + table_address = + (acpi_physical_address) gbl_fadt->Xdsdt; + } else + if ((gbl_fadt->header.length >= MIN_FADT_FOR_DSDT) + && gbl_fadt->dsdt) { + table_address = + (acpi_physical_address) gbl_fadt->dsdt; + } + } else if (ACPI_COMPARE_NAME(signature, ACPI_SIG_FACS)) { + if ((gbl_fadt->header.length >= MIN_FADT_FOR_XFACS) && + gbl_fadt->Xfacs) { + table_address = + (acpi_physical_address) gbl_fadt->Xfacs; + } else + if ((gbl_fadt->header.length >= MIN_FADT_FOR_FACS) + && gbl_fadt->facs) { + table_address = + (acpi_physical_address) gbl_fadt->facs; + } + } else if (ACPI_COMPARE_NAME(signature, ACPI_SIG_XSDT)) { + if (!gbl_revision) { + return (AE_BAD_SIGNATURE); + } + table_address = + (acpi_physical_address) gbl_rsdp. + xsdt_physical_address; + } else if (ACPI_COMPARE_NAME(signature, ACPI_SIG_RSDT)) { + table_address = + (acpi_physical_address) gbl_rsdp. + rsdt_physical_address; + } else { + table_address = + (acpi_physical_address) gbl_rsdp_address; + signature = ACPI_SIG_RSDP; + } + + /* Now we can get the requested special table */ + + status = osl_map_table(table_address, signature, &mapped_table); + if (ACPI_FAILURE(status)) { + return (status); + } + + table_length = ap_get_table_length(mapped_table); + } else { /* Case for a normal ACPI table */ + + if (gbl_revision) { + item_size = sizeof(u64); + table_data = + ACPI_CAST8(gbl_xsdt) + + sizeof(struct acpi_table_header); + number_of_tables = + (u8)((gbl_xsdt->header.length - + sizeof(struct acpi_table_header)) + / item_size); + } else { /* Use RSDT if XSDT is not available */ + + item_size = sizeof(u32); + table_data = + ACPI_CAST8(gbl_rsdt) + + sizeof(struct acpi_table_header); + number_of_tables = + (u8)((gbl_rsdt->header.length - + sizeof(struct acpi_table_header)) + / item_size); + } + + /* Search RSDT/XSDT for the requested table */ + + for (i = 0; i < number_of_tables; ++i, table_data += item_size) { + if (gbl_revision) { + table_address = + (acpi_physical_address) (*ACPI_CAST64 + (table_data)); + } else { + table_address = + (acpi_physical_address) (*ACPI_CAST32 + (table_data)); + } + + status = + osl_map_table(table_address, NULL, &mapped_table); + if (ACPI_FAILURE(status)) { + return (status); + } + table_length = mapped_table->length; + + /* Does this table match the requested signature? */ + + if (!ACPI_COMPARE_NAME + (mapped_table->signature, signature)) { + osl_unmap_table(mapped_table); + mapped_table = NULL; + continue; + } + + /* Match table instance (for SSDT/UEFI tables) */ + + if (current_instance != instance) { + osl_unmap_table(mapped_table); + mapped_table = NULL; + current_instance++; + continue; + } + + break; + } + } + + if (!mapped_table) { + return (AE_LIMIT); + } + + if (table_length == 0) { + status = AE_BAD_HEADER; + goto exit; + } + + /* Copy table to local buffer and return it */ + + local_table = calloc(1, table_length); + if (!local_table) { + status = AE_NO_MEMORY; + goto exit; + } + + ACPI_MEMCPY(local_table, mapped_table, table_length); + *address = table_address; + *table = local_table; + +exit: + osl_unmap_table(mapped_table); + return (status); +} + +/****************************************************************************** + * + * FUNCTION: osl_list_customized_tables + * + * PARAMETERS: directory - Directory that contains the tables + * + * RETURN: Status; Table list is initialized if AE_OK. + * + * DESCRIPTION: Add ACPI tables to the table list from a directory. + * + *****************************************************************************/ + +static acpi_status osl_list_customized_tables(char *directory) +{ + void *table_dir; + u32 instance; + char temp_name[ACPI_NAME_SIZE]; + char *filename; + acpi_status status = AE_OK; + + /* Open the requested directory */ + + table_dir = acpi_os_open_directory(directory, "*", REQUEST_FILE_ONLY); + if (!table_dir) { + return (osl_get_last_status(AE_NOT_FOUND)); + } + + /* Examine all entries in this directory */ + + while ((filename = acpi_os_get_next_filename(table_dir))) { + + /* Extract table name and instance number */ + + status = + osl_table_name_from_file(filename, temp_name, &instance); + + /* Ignore meaningless files */ + + if (ACPI_FAILURE(status)) { + continue; + } + + /* Add new info node to global table list */ + + status = osl_add_table_to_list(temp_name, instance); + if (ACPI_FAILURE(status)) { + break; + } + } + + acpi_os_close_directory(table_dir); + return (status); +} + +/****************************************************************************** + * + * FUNCTION: osl_map_table + * + * PARAMETERS: address - Address of the table in memory + * signature - Optional ACPI Signature for desired table. + * Null terminated 4-character string. + * table - Where a pointer to the mapped table is + * returned + * + * RETURN: Status; Mapped table is returned if AE_OK. + * AE_NOT_FOUND: A valid table was not found at the address + * + * DESCRIPTION: Map entire ACPI table into caller's address space. + * + *****************************************************************************/ + +static acpi_status +osl_map_table(acpi_size address, + char *signature, struct acpi_table_header **table) +{ + struct acpi_table_header *mapped_table; + u32 length; + + if (!address) { + return (AE_BAD_ADDRESS); + } + + /* + * Map the header so we can get the table length. + * Use sizeof (struct acpi_table_header) as: + * 1. it is bigger than 24 to include RSDP->Length + * 2. it is smaller than sizeof (struct acpi_table_rsdp) + */ + mapped_table = + acpi_os_map_memory(address, sizeof(struct acpi_table_header)); + if (!mapped_table) { + fprintf(stderr, "Could not map table header at 0x%8.8X%8.8X\n", + ACPI_FORMAT_UINT64(address)); + return (osl_get_last_status(AE_BAD_ADDRESS)); + } + + /* If specified, signature must match */ + + if (signature && !ACPI_COMPARE_NAME(signature, mapped_table->signature)) { + acpi_os_unmap_memory(mapped_table, + sizeof(struct acpi_table_header)); + return (AE_BAD_SIGNATURE); + } + + /* Map the entire table */ + + length = ap_get_table_length(mapped_table); + acpi_os_unmap_memory(mapped_table, sizeof(struct acpi_table_header)); + if (length == 0) { + return (AE_BAD_HEADER); + } + + mapped_table = acpi_os_map_memory(address, length); + if (!mapped_table) { + fprintf(stderr, + "Could not map table at 0x%8.8X%8.8X length %8.8X\n", + ACPI_FORMAT_UINT64(address), length); + return (osl_get_last_status(AE_INVALID_TABLE_LENGTH)); + } + + (void)ap_is_valid_checksum(mapped_table); + + *table = mapped_table; + return (AE_OK); +} + +/****************************************************************************** + * + * FUNCTION: osl_unmap_table + * + * PARAMETERS: table - A pointer to the mapped table + * + * RETURN: None + * + * DESCRIPTION: Unmap entire ACPI table. + * + *****************************************************************************/ + +static void osl_unmap_table(struct acpi_table_header *table) +{ + if (table) { + acpi_os_unmap_memory(table, ap_get_table_length(table)); + } +} + +/****************************************************************************** + * + * FUNCTION: osl_table_name_from_file + * + * PARAMETERS: filename - File that contains the desired table + * signature - Pointer to 4-character buffer to store + * extracted table signature. + * instance - Pointer to integer to store extracted + * table instance number. + * + * RETURN: Status; Table name is extracted if AE_OK. + * + * DESCRIPTION: Extract table signature and instance number from a table file + * name. + * + *****************************************************************************/ + +static acpi_status +osl_table_name_from_file(char *filename, char *signature, u32 *instance) +{ + + /* Ignore meaningless files */ + + if (strlen(filename) < ACPI_NAME_SIZE) { + return (AE_BAD_SIGNATURE); + } + + /* Extract instance number */ + + if (isdigit((int)filename[ACPI_NAME_SIZE])) { + sscanf(&filename[ACPI_NAME_SIZE], "%d", instance); + } else if (strlen(filename) != ACPI_NAME_SIZE) { + return (AE_BAD_SIGNATURE); + } else { + *instance = 0; + } + + /* Extract signature */ + + ACPI_MOVE_NAME(signature, filename); + return (AE_OK); +} + +/****************************************************************************** + * + * FUNCTION: osl_read_table_from_file + * + * PARAMETERS: filename - File that contains the desired table + * file_offset - Offset of the table in file + * signature - Optional ACPI Signature for desired table. + * A null terminated 4-character string. + * table - Where a pointer to the table is returned + * + * RETURN: Status; Table buffer is returned if AE_OK. + * + * DESCRIPTION: Read a ACPI table from a file. + * + *****************************************************************************/ + +static acpi_status +osl_read_table_from_file(char *filename, + acpi_size file_offset, + char *signature, struct acpi_table_header **table) +{ + FILE *table_file; + struct acpi_table_header header; + struct acpi_table_header *local_table = NULL; + u32 table_length; + s32 count; + u32 total = 0; + acpi_status status = AE_OK; + + /* Open the file */ + + table_file = fopen(filename, "rb"); + if (table_file == NULL) { + fprintf(stderr, "Could not open table file: %s\n", filename); + return (osl_get_last_status(AE_NOT_FOUND)); + } + + fseek(table_file, file_offset, SEEK_SET); + + /* Read the Table header to get the table length */ + + count = fread(&header, 1, sizeof(struct acpi_table_header), table_file); + if (count != sizeof(struct acpi_table_header)) { + fprintf(stderr, "Could not read table header: %s\n", filename); + status = AE_BAD_HEADER; + goto exit; + } + + /* If signature is specified, it must match the table */ + + if (signature && !ACPI_COMPARE_NAME(signature, header.signature)) { + fprintf(stderr, + "Incorrect signature: Expecting %4.4s, found %4.4s\n", + signature, header.signature); + status = AE_BAD_SIGNATURE; + goto exit; + } + + table_length = ap_get_table_length(&header); + if (table_length == 0) { + status = AE_BAD_HEADER; + goto exit; + } + + /* Read the entire table into a local buffer */ + + local_table = calloc(1, table_length); + if (!local_table) { + fprintf(stderr, + "%4.4s: Could not allocate buffer for table of length %X\n", + header.signature, table_length); + status = AE_NO_MEMORY; + goto exit; + } + + fseek(table_file, file_offset, SEEK_SET); + + while (!feof(table_file) && total < table_length) { + count = fread(local_table + total, 1, table_length - total, table_file); + if (count < 0) { + fprintf(stderr, "%4.4s: Could not read table content\n", + header.signature); + status = AE_INVALID_TABLE_LENGTH; + goto exit; + } + + total += count; + } + + /* Validate checksum */ + + (void)ap_is_valid_checksum(local_table); + +exit: + fclose(table_file); + *table = local_table; + return (status); +} + +/****************************************************************************** + * + * FUNCTION: osl_get_customized_table + * + * PARAMETERS: pathname - Directory to find Linux customized table + * signature - ACPI Signature for desired table. Must be + * a null terminated 4-character string. + * instance - Multiple table support for SSDT/UEFI (0...n) + * Must be 0 for other tables. + * table - Where a pointer to the table is returned + * address - Where the table physical address is returned + * + * RETURN: Status; Table buffer is returned if AE_OK. + * AE_LIMIT: Instance is beyond valid limit + * AE_NOT_FOUND: A table with the signature was not found + * + * DESCRIPTION: Get an OS customized table. + * + *****************************************************************************/ + +static acpi_status +osl_get_customized_table(char *pathname, + char *signature, + u32 instance, + struct acpi_table_header **table, + acpi_physical_address * address) +{ + void *table_dir; + u32 current_instance = 0; + char temp_name[ACPI_NAME_SIZE]; + char table_filename[PATH_MAX]; + char *filename; + acpi_status status; + + /* Open the directory for customized tables */ + + table_dir = acpi_os_open_directory(pathname, "*", REQUEST_FILE_ONLY); + if (!table_dir) { + return (osl_get_last_status(AE_NOT_FOUND)); + } + + /* Attempt to find the table in the directory */ + + while ((filename = acpi_os_get_next_filename(table_dir))) { + + /* Ignore meaningless files */ + + if (!ACPI_COMPARE_NAME(filename, signature)) { + continue; + } + + /* Extract table name and instance number */ + + status = + osl_table_name_from_file(filename, temp_name, + ¤t_instance); + + /* Ignore meaningless files */ + + if (ACPI_FAILURE(status) || current_instance != instance) { + continue; + } + + /* Create the table pathname */ + + if (instance != 0) { + sprintf(table_filename, "%s/%4.4s%d", pathname, + temp_name, instance); + } else { + sprintf(table_filename, "%s/%4.4s", pathname, + temp_name); + } + break; + } + + acpi_os_close_directory(table_dir); + + if (!filename) { + return (AE_LIMIT); + } + + /* There is no physical address saved for customized tables, use zero */ + + *address = 0; + status = osl_read_table_from_file(table_filename, 0, NULL, table); + + return (status); +} diff --git a/tools/power/acpi/os_specific/service_layers/osunixdir.c b/tools/power/acpi/os_specific/service_layers/osunixdir.c new file mode 100644 index 0000000..733f9e4 --- /dev/null +++ b/tools/power/acpi/os_specific/service_layers/osunixdir.c @@ -0,0 +1,204 @@ +/****************************************************************************** + * + * Module Name: osunixdir - Unix directory access interfaces + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2014, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include <acpi/acpi.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <dirent.h> +#include <fnmatch.h> +#include <ctype.h> +#include <sys/stat.h> + +/* + * Allocated structure returned from os_open_directory + */ +typedef struct external_find_info { + char *dir_pathname; + DIR *dir_ptr; + char temp_buffer[256]; + char *wildcard_spec; + char requested_file_type; + +} external_find_info; + +/******************************************************************************* + * + * FUNCTION: acpi_os_open_directory + * + * PARAMETERS: dir_pathname - Full pathname to the directory + * wildcard_spec - string of the form "*.c", etc. + * + * RETURN: A directory "handle" to be used in subsequent search operations. + * NULL returned on failure. + * + * DESCRIPTION: Open a directory in preparation for a wildcard search + * + ******************************************************************************/ + +void *acpi_os_open_directory(char *dir_pathname, + char *wildcard_spec, char requested_file_type) +{ + struct external_find_info *external_info; + DIR *dir; + + /* Allocate the info struct that will be returned to the caller */ + + external_info = calloc(1, sizeof(struct external_find_info)); + if (!external_info) { + return (NULL); + } + + /* Get the directory stream */ + + dir = opendir(dir_pathname); + if (!dir) { + fprintf(stderr, "Cannot open directory - %s\n", dir_pathname); + free(external_info); + return (NULL); + } + + /* Save the info in the return structure */ + + external_info->wildcard_spec = wildcard_spec; + external_info->requested_file_type = requested_file_type; + external_info->dir_pathname = dir_pathname; + external_info->dir_ptr = dir; + return (external_info); +} + +/******************************************************************************* + * + * FUNCTION: acpi_os_get_next_filename + * + * PARAMETERS: dir_handle - Created via acpi_os_open_directory + * + * RETURN: Next filename matched. NULL if no more matches. + * + * DESCRIPTION: Get the next file in the directory that matches the wildcard + * specification. + * + ******************************************************************************/ + +char *acpi_os_get_next_filename(void *dir_handle) +{ + struct external_find_info *external_info = dir_handle; + struct dirent *dir_entry; + char *temp_str; + int str_len; + struct stat temp_stat; + int err; + + while ((dir_entry = readdir(external_info->dir_ptr))) { + if (!fnmatch + (external_info->wildcard_spec, dir_entry->d_name, 0)) { + if (dir_entry->d_name[0] == '.') { + continue; + } + + str_len = strlen(dir_entry->d_name) + + strlen(external_info->dir_pathname) + 2; + + temp_str = calloc(str_len, 1); + if (!temp_str) { + fprintf(stderr, + "Could not allocate buffer for temporary string\n"); + return (NULL); + } + + strcpy(temp_str, external_info->dir_pathname); + strcat(temp_str, "/"); + strcat(temp_str, dir_entry->d_name); + + err = stat(temp_str, &temp_stat); + if (err == -1) { + fprintf(stderr, + "Cannot stat file (should not happen) - %s\n", + temp_str); + free(temp_str); + return (NULL); + } + + free(temp_str); + + if ((S_ISDIR(temp_stat.st_mode) + && (external_info->requested_file_type == + REQUEST_DIR_ONLY)) + || ((!S_ISDIR(temp_stat.st_mode) + && external_info->requested_file_type == + REQUEST_FILE_ONLY))) { + + /* copy to a temp buffer because dir_entry struct is on the stack */ + + strcpy(external_info->temp_buffer, + dir_entry->d_name); + return (external_info->temp_buffer); + } + } + } + + return (NULL); +} + +/******************************************************************************* + * + * FUNCTION: acpi_os_close_directory + * + * PARAMETERS: dir_handle - Created via acpi_os_open_directory + * + * RETURN: None. + * + * DESCRIPTION: Close the open directory and cleanup. + * + ******************************************************************************/ + +void acpi_os_close_directory(void *dir_handle) +{ + struct external_find_info *external_info = dir_handle; + + /* Close the directory and free allocations */ + + closedir(external_info->dir_ptr); + free(dir_handle); +} diff --git a/tools/power/acpi/os_specific/service_layers/osunixmap.c b/tools/power/acpi/os_specific/service_layers/osunixmap.c new file mode 100644 index 0000000..99b47b6 --- /dev/null +++ b/tools/power/acpi/os_specific/service_layers/osunixmap.c @@ -0,0 +1,151 @@ +/****************************************************************************** + * + * Module Name: osunixmap - Unix OSL for file mappings + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2014, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include "acpidump.h" +#include <unistd.h> +#include <sys/mman.h> +#ifdef _free_BSD +#include <sys/param.h> +#endif + +#define _COMPONENT ACPI_OS_SERVICES +ACPI_MODULE_NAME("osunixmap") + +#ifndef O_BINARY +#define O_BINARY 0 +#endif +#ifdef _free_BSD +#define MMAP_FLAGS MAP_SHARED +#else +#define MMAP_FLAGS MAP_PRIVATE +#endif +#define SYSTEM_MEMORY "/dev/mem" +/******************************************************************************* + * + * FUNCTION: acpi_os_get_page_size + * + * PARAMETERS: None + * + * RETURN: Page size of the platform. + * + * DESCRIPTION: Obtain page size of the platform. + * + ******************************************************************************/ +static acpi_size acpi_os_get_page_size(void) +{ + +#ifdef PAGE_SIZE + return PAGE_SIZE; +#else + return sysconf(_SC_PAGESIZE); +#endif +} + +/****************************************************************************** + * + * FUNCTION: acpi_os_map_memory + * + * PARAMETERS: where - Physical address of memory to be mapped + * length - How much memory to map + * + * RETURN: Pointer to mapped memory. Null on error. + * + * DESCRIPTION: Map physical memory into local address space. + * + *****************************************************************************/ + +void *acpi_os_map_memory(acpi_physical_address where, acpi_size length) +{ + u8 *mapped_memory; + acpi_physical_address offset; + acpi_size page_size; + int fd; + + fd = open(SYSTEM_MEMORY, O_RDONLY | O_BINARY); + if (fd < 0) { + fprintf(stderr, "Cannot open %s\n", SYSTEM_MEMORY); + return (NULL); + } + + /* Align the offset to use mmap */ + + page_size = acpi_os_get_page_size(); + offset = where % page_size; + + /* Map the table header to get the length of the full table */ + + mapped_memory = mmap(NULL, (length + offset), PROT_READ, MMAP_FLAGS, + fd, (where - offset)); + if (mapped_memory == MAP_FAILED) { + fprintf(stderr, "Cannot map %s\n", SYSTEM_MEMORY); + close(fd); + return (NULL); + } + + close(fd); + return (ACPI_CAST8(mapped_memory + offset)); +} + +/****************************************************************************** + * + * FUNCTION: acpi_os_unmap_memory + * + * PARAMETERS: where - Logical address of memory to be unmapped + * length - How much memory to unmap + * + * RETURN: None. + * + * DESCRIPTION: Delete a previously created mapping. Where and Length must + * correspond to a previous mapping exactly. + * + *****************************************************************************/ + +void acpi_os_unmap_memory(void *where, acpi_size length) +{ + acpi_physical_address offset; + acpi_size page_size; + + page_size = acpi_os_get_page_size(); + offset = (acpi_physical_address) where % page_size; + munmap((u8 *)where - offset, (length + offset)); +} diff --git a/tools/power/acpi/tools/acpidump/acpidump.h b/tools/power/acpi/tools/acpidump/acpidump.h new file mode 100644 index 0000000..3361b9e --- /dev/null +++ b/tools/power/acpi/tools/acpidump/acpidump.h @@ -0,0 +1,131 @@ +/****************************************************************************** + * + * Module Name: acpidump.h - Include file for acpi_dump utility + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2014, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include <acpi/acpi.h> +#include "accommon.h" +#include "actables.h" + +#include <stdio.h> +#include <fcntl.h> +#include <errno.h> +#include <sys/stat.h> + +/* + * Global variables. Defined in main.c only, externed in all other files + */ +#ifdef _DECLARE_GLOBALS +#define EXTERN +#define INIT_GLOBAL(a,b) a=b +#else +#define EXTERN extern +#define INIT_GLOBAL(a,b) a +#endif + +/* Globals */ + +EXTERN u8 INIT_GLOBAL(gbl_summary_mode, FALSE); +EXTERN u8 INIT_GLOBAL(gbl_verbose_mode, FALSE); +EXTERN u8 INIT_GLOBAL(gbl_binary_mode, FALSE); +EXTERN u8 INIT_GLOBAL(gbl_dump_customized_tables, FALSE); +EXTERN FILE INIT_GLOBAL(*gbl_output_file, NULL); +EXTERN char INIT_GLOBAL(*gbl_output_filename, NULL); +EXTERN u64 INIT_GLOBAL(gbl_rsdp_base, 0); + +/* Globals required for use with ACPICA modules */ + +#ifdef _DECLARE_GLOBALS +u8 acpi_gbl_enable_interpreter_slack = FALSE; +u8 acpi_gbl_integer_byte_width = 8; +u32 acpi_dbg_level = 0; +u32 acpi_dbg_layer = 0; +#endif + +/* Action table used to defer requested options */ + +struct ap_dump_action { + char *argument; + u32 to_be_done; +}; + +#define AP_MAX_ACTIONS 32 + +#define AP_DUMP_ALL_TABLES 0 +#define AP_DUMP_TABLE_BY_ADDRESS 1 +#define AP_DUMP_TABLE_BY_NAME 2 +#define AP_DUMP_TABLE_BY_FILE 3 + +#define AP_MAX_ACPI_FILES 256 /* Prevent infinite loops */ + +/* Minimum FADT sizes for various table addresses */ + +#define MIN_FADT_FOR_DSDT (ACPI_FADT_OFFSET (dsdt) + sizeof (u32)) +#define MIN_FADT_FOR_FACS (ACPI_FADT_OFFSET (facs) + sizeof (u32)) +#define MIN_FADT_FOR_XDSDT (ACPI_FADT_OFFSET (Xdsdt) + sizeof (u64)) +#define MIN_FADT_FOR_XFACS (ACPI_FADT_OFFSET (Xfacs) + sizeof (u64)) + +/* + * apdump - Table get/dump routines + */ +int ap_dump_table_from_file(char *pathname); + +int ap_dump_table_by_name(char *signature); + +int ap_dump_table_by_address(char *ascii_address); + +int ap_dump_all_tables(void); + +u8 ap_is_valid_header(struct acpi_table_header *table); + +u8 ap_is_valid_checksum(struct acpi_table_header *table); + +u32 ap_get_table_length(struct acpi_table_header *table); + +/* + * apfiles - File I/O utilities + */ +int ap_open_output_file(char *pathname); + +int ap_write_to_binary_file(struct acpi_table_header *table, u32 instance); + +struct acpi_table_header *ap_get_table_from_file(char *pathname, + u32 *file_size); diff --git a/tools/power/acpi/tools/acpidump/apdump.c b/tools/power/acpi/tools/acpidump/apdump.c new file mode 100644 index 0000000..3cac123 --- /dev/null +++ b/tools/power/acpi/tools/acpidump/apdump.c @@ -0,0 +1,451 @@ +/****************************************************************************** + * + * Module Name: apdump - Dump routines for ACPI tables (acpidump) + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2014, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include "acpidump.h" + +/* Local prototypes */ + +static int +ap_dump_table_buffer(struct acpi_table_header *table, + u32 instance, acpi_physical_address address); + +/****************************************************************************** + * + * FUNCTION: ap_is_valid_header + * + * PARAMETERS: table - Pointer to table to be validated + * + * RETURN: TRUE if the header appears to be valid. FALSE otherwise + * + * DESCRIPTION: Check for a valid ACPI table header + * + ******************************************************************************/ + +u8 ap_is_valid_header(struct acpi_table_header *table) +{ + + if (!ACPI_VALIDATE_RSDP_SIG(table->signature)) { + + /* Make sure signature is all ASCII and a valid ACPI name */ + + if (!acpi_ut_valid_acpi_name(table->signature)) { + fprintf(stderr, + "Table signature (0x%8.8X) is invalid\n", + *(u32 *)table->signature); + return (FALSE); + } + + /* Check for minimum table length */ + + if (table->length < sizeof(struct acpi_table_header)) { + fprintf(stderr, "Table length (0x%8.8X) is invalid\n", + table->length); + return (FALSE); + } + } + + return (TRUE); +} + +/****************************************************************************** + * + * FUNCTION: ap_is_valid_checksum + * + * PARAMETERS: table - Pointer to table to be validated + * + * RETURN: TRUE if the checksum appears to be valid. FALSE otherwise. + * + * DESCRIPTION: Check for a valid ACPI table checksum. + * + ******************************************************************************/ + +u8 ap_is_valid_checksum(struct acpi_table_header *table) +{ + acpi_status status; + struct acpi_table_rsdp *rsdp; + + if (ACPI_VALIDATE_RSDP_SIG(table->signature)) { + /* + * Checksum for RSDP. + * Note: Other checksums are computed during the table dump. + */ + rsdp = ACPI_CAST_PTR(struct acpi_table_rsdp, table); + status = acpi_tb_validate_rsdp(rsdp); + } else { + status = acpi_tb_verify_checksum(table, table->length); + } + + if (ACPI_FAILURE(status)) { + fprintf(stderr, "%4.4s: Warning: wrong checksum in table\n", + table->signature); + } + + return (AE_OK); +} + +/****************************************************************************** + * + * FUNCTION: ap_get_table_length + * + * PARAMETERS: table - Pointer to the table + * + * RETURN: Table length + * + * DESCRIPTION: Obtain table length according to table signature. + * + ******************************************************************************/ + +u32 ap_get_table_length(struct acpi_table_header *table) +{ + struct acpi_table_rsdp *rsdp; + + /* Check if table is valid */ + + if (!ap_is_valid_header(table)) { + return (0); + } + + if (ACPI_VALIDATE_RSDP_SIG(table->signature)) { + rsdp = ACPI_CAST_PTR(struct acpi_table_rsdp, table); + return (rsdp->length); + } + + /* Normal ACPI table */ + + return (table->length); +} + +/****************************************************************************** + * + * FUNCTION: ap_dump_table_buffer + * + * PARAMETERS: table - ACPI table to be dumped + * instance - ACPI table instance no. to be dumped + * address - Physical address of the table + * + * RETURN: None + * + * DESCRIPTION: Dump an ACPI table in standard ASCII hex format, with a + * header that is compatible with the acpi_xtract utility. + * + ******************************************************************************/ + +static int +ap_dump_table_buffer(struct acpi_table_header *table, + u32 instance, acpi_physical_address address) +{ + u32 table_length; + + table_length = ap_get_table_length(table); + + /* Print only the header if requested */ + + if (gbl_summary_mode) { + acpi_tb_print_table_header(address, table); + return (0); + } + + /* Dump to binary file if requested */ + + if (gbl_binary_mode) { + return (ap_write_to_binary_file(table, instance)); + } + + /* + * Dump the table with header for use with acpixtract utility. + * Note: simplest to just always emit a 64-bit address. acpi_xtract + * utility can handle this. + */ + printf("%4.4s @ 0x%8.8X%8.8X\n", table->signature, + ACPI_FORMAT_UINT64(address)); + + acpi_ut_dump_buffer(ACPI_CAST_PTR(u8, table), table_length, + DB_BYTE_DISPLAY, 0); + printf("\n"); + return (0); +} + +/****************************************************************************** + * + * FUNCTION: ap_dump_all_tables + * + * PARAMETERS: None + * + * RETURN: Status + * + * DESCRIPTION: Get all tables from the RSDT/XSDT (or at least all of the + * tables that we can possibly get). + * + ******************************************************************************/ + +int ap_dump_all_tables(void) +{ + struct acpi_table_header *table; + u32 instance = 0; + acpi_physical_address address; + acpi_status status; + int table_status; + u32 i; + + /* Get and dump all available ACPI tables */ + + for (i = 0; i < AP_MAX_ACPI_FILES; i++) { + status = + acpi_os_get_table_by_index(i, &table, &instance, &address); + if (ACPI_FAILURE(status)) { + + /* AE_LIMIT means that no more tables are available */ + + if (status == AE_LIMIT) { + return (0); + } else if (i == 0) { + fprintf(stderr, + "Could not get ACPI tables, %s\n", + acpi_format_exception(status)); + return (-1); + } else { + fprintf(stderr, + "Could not get ACPI table at index %u, %s\n", + i, acpi_format_exception(status)); + continue; + } + } + + table_status = ap_dump_table_buffer(table, instance, address); + free(table); + + if (table_status) { + break; + } + } + + /* Something seriously bad happened if the loop terminates here */ + + return (-1); +} + +/****************************************************************************** + * + * FUNCTION: ap_dump_table_by_address + * + * PARAMETERS: ascii_address - Address for requested ACPI table + * + * RETURN: Status + * + * DESCRIPTION: Get an ACPI table via a physical address and dump it. + * + ******************************************************************************/ + +int ap_dump_table_by_address(char *ascii_address) +{ + acpi_physical_address address; + struct acpi_table_header *table; + acpi_status status; + int table_status; + u64 long_address; + + /* Convert argument to an integer physical address */ + + status = acpi_ut_strtoul64(ascii_address, 0, &long_address); + if (ACPI_FAILURE(status)) { + fprintf(stderr, "%s: Could not convert to a physical address\n", + ascii_address); + return (-1); + } + + address = (acpi_physical_address) long_address; + status = acpi_os_get_table_by_address(address, &table); + if (ACPI_FAILURE(status)) { + fprintf(stderr, "Could not get table at 0x%8.8X%8.8X, %s\n", + ACPI_FORMAT_UINT64(address), + acpi_format_exception(status)); + return (-1); + } + + table_status = ap_dump_table_buffer(table, 0, address); + free(table); + return (table_status); +} + +/****************************************************************************** + * + * FUNCTION: ap_dump_table_by_name + * + * PARAMETERS: signature - Requested ACPI table signature + * + * RETURN: Status + * + * DESCRIPTION: Get an ACPI table via a signature and dump it. Handles + * multiple tables with the same signature (SSDTs). + * + ******************************************************************************/ + +int ap_dump_table_by_name(char *signature) +{ + char local_signature[ACPI_NAME_SIZE + 1]; + u32 instance; + struct acpi_table_header *table; + acpi_physical_address address; + acpi_status status; + int table_status; + + if (strlen(signature) != ACPI_NAME_SIZE) { + fprintf(stderr, + "Invalid table signature [%s]: must be exactly 4 characters\n", + signature); + return (-1); + } + + /* Table signatures are expected to be uppercase */ + + strcpy(local_signature, signature); + acpi_ut_strupr(local_signature); + + /* To be friendly, handle tables whose signatures do not match the name */ + + if (ACPI_COMPARE_NAME(local_signature, "FADT")) { + strcpy(local_signature, ACPI_SIG_FADT); + } else if (ACPI_COMPARE_NAME(local_signature, "MADT")) { + strcpy(local_signature, ACPI_SIG_MADT); + } + + /* Dump all instances of this signature (to handle multiple SSDTs) */ + + for (instance = 0; instance < AP_MAX_ACPI_FILES; instance++) { + status = acpi_os_get_table_by_name(local_signature, instance, + &table, &address); + if (ACPI_FAILURE(status)) { + + /* AE_LIMIT means that no more tables are available */ + + if (status == AE_LIMIT) { + return (0); + } + + fprintf(stderr, + "Could not get ACPI table with signature [%s], %s\n", + local_signature, acpi_format_exception(status)); + return (-1); + } + + table_status = ap_dump_table_buffer(table, instance, address); + free(table); + + if (table_status) { + break; + } + } + + /* Something seriously bad happened if the loop terminates here */ + + return (-1); +} + +/****************************************************************************** + * + * FUNCTION: ap_dump_table_from_file + * + * PARAMETERS: pathname - File containing the binary ACPI table + * + * RETURN: Status + * + * DESCRIPTION: Dump an ACPI table from a binary file + * + ******************************************************************************/ + +int ap_dump_table_from_file(char *pathname) +{ + struct acpi_table_header *table; + u32 file_size = 0; + int table_status = -1; + + /* Get the entire ACPI table from the file */ + + table = ap_get_table_from_file(pathname, &file_size); + if (!table) { + return (-1); + } + + /* File must be at least as long as the table length */ + + if (table->length > file_size) { + fprintf(stderr, + "Table length (0x%X) is too large for input file (0x%X) %s\n", + table->length, file_size, pathname); + goto exit; + } + + if (gbl_verbose_mode) { + fprintf(stderr, + "Input file: %s contains table [%4.4s], 0x%X (%u) bytes\n", + pathname, table->signature, file_size, file_size); + } + + table_status = ap_dump_table_buffer(table, 0, 0); + +exit: + free(table); + return (table_status); +} + +/****************************************************************************** + * + * FUNCTION: acpi_os* print functions + * + * DESCRIPTION: Used for linkage with ACPICA modules + * + ******************************************************************************/ + +void ACPI_INTERNAL_VAR_XFACE acpi_os_printf(const char *fmt, ...) +{ + va_list args; + + va_start(args, fmt); + vfprintf(stdout, fmt, args); + va_end(args); +} + +void acpi_os_vprintf(const char *fmt, va_list args) +{ + vfprintf(stdout, fmt, args); +} diff --git a/tools/power/acpi/tools/acpidump/apfiles.c b/tools/power/acpi/tools/acpidump/apfiles.c new file mode 100644 index 0000000..4488acc --- /dev/null +++ b/tools/power/acpi/tools/acpidump/apfiles.c @@ -0,0 +1,228 @@ +/****************************************************************************** + * + * Module Name: apfiles - File-related functions for acpidump utility + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2014, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include "acpidump.h" +#include "acapps.h" + +/****************************************************************************** + * + * FUNCTION: ap_open_output_file + * + * PARAMETERS: pathname - Output filename + * + * RETURN: Open file handle + * + * DESCRIPTION: Open a text output file for acpidump. Checks if file already + * exists. + * + ******************************************************************************/ + +int ap_open_output_file(char *pathname) +{ + struct stat stat_info; + FILE *file; + + /* If file exists, prompt for overwrite */ + + if (!stat(pathname, &stat_info)) { + fprintf(stderr, + "Target path already exists, overwrite? [y|n] "); + + if (getchar() != 'y') { + return (-1); + } + } + + /* Point stdout to the file */ + + file = freopen(pathname, "w", stdout); + if (!file) { + perror("Could not open output file"); + return (-1); + } + + /* Save the file and path */ + + gbl_output_file = file; + gbl_output_filename = pathname; + return (0); +} + +/****************************************************************************** + * + * FUNCTION: ap_write_to_binary_file + * + * PARAMETERS: table - ACPI table to be written + * instance - ACPI table instance no. to be written + * + * RETURN: Status + * + * DESCRIPTION: Write an ACPI table to a binary file. Builds the output + * filename from the table signature. + * + ******************************************************************************/ + +int ap_write_to_binary_file(struct acpi_table_header *table, u32 instance) +{ + char filename[ACPI_NAME_SIZE + 16]; + char instance_str[16]; + FILE *file; + size_t actual; + u32 table_length; + + /* Obtain table length */ + + table_length = ap_get_table_length(table); + + /* Construct lower-case filename from the table local signature */ + + if (ACPI_VALIDATE_RSDP_SIG(table->signature)) { + ACPI_MOVE_NAME(filename, ACPI_RSDP_NAME); + } else { + ACPI_MOVE_NAME(filename, table->signature); + } + filename[0] = (char)ACPI_TOLOWER(filename[0]); + filename[1] = (char)ACPI_TOLOWER(filename[1]); + filename[2] = (char)ACPI_TOLOWER(filename[2]); + filename[3] = (char)ACPI_TOLOWER(filename[3]); + filename[ACPI_NAME_SIZE] = 0; + + /* Handle multiple SSDts - create different filenames for each */ + + if (instance > 0) { + sprintf(instance_str, "%u", instance); + strcat(filename, instance_str); + } + + strcat(filename, ACPI_TABLE_FILE_SUFFIX); + + if (gbl_verbose_mode) { + fprintf(stderr, + "Writing [%4.4s] to binary file: %s 0x%X (%u) bytes\n", + table->signature, filename, table->length, + table->length); + } + + /* Open the file and dump the entire table in binary mode */ + + file = fopen(filename, "wb"); + if (!file) { + perror("Could not open output file"); + return (-1); + } + + actual = fwrite(table, 1, table_length, file); + if (actual != table_length) { + perror("Error writing binary output file"); + fclose(file); + return (-1); + } + + fclose(file); + return (0); +} + +/****************************************************************************** + * + * FUNCTION: ap_get_table_from_file + * + * PARAMETERS: pathname - File containing the binary ACPI table + * out_file_size - Where the file size is returned + * + * RETURN: Buffer containing the ACPI table. NULL on error. + * + * DESCRIPTION: Open a file and read it entirely into a new buffer + * + ******************************************************************************/ + +struct acpi_table_header *ap_get_table_from_file(char *pathname, + u32 *out_file_size) +{ + struct acpi_table_header *buffer = NULL; + FILE *file; + u32 file_size; + size_t actual; + + /* Must use binary mode */ + + file = fopen(pathname, "rb"); + if (!file) { + perror("Could not open input file"); + return (NULL); + } + + /* Need file size to allocate a buffer */ + + file_size = cm_get_file_size(file); + if (file_size == ACPI_UINT32_MAX) { + fprintf(stderr, + "Could not get input file size: %s\n", pathname); + goto cleanup; + } + + /* Allocate a buffer for the entire file */ + + buffer = calloc(1, file_size); + if (!buffer) { + fprintf(stderr, + "Could not allocate file buffer of size: %u\n", + file_size); + goto cleanup; + } + + /* Read the entire file */ + + actual = fread(buffer, 1, file_size, file); + if (actual != file_size) { + fprintf(stderr, "Could not read input file: %s\n", pathname); + free(buffer); + buffer = NULL; + goto cleanup; + } + + *out_file_size = file_size; + +cleanup: + fclose(file); + return (buffer); +} diff --git a/tools/power/acpi/tools/acpidump/apmain.c b/tools/power/acpi/tools/acpidump/apmain.c new file mode 100644 index 0000000..70d71ec --- /dev/null +++ b/tools/power/acpi/tools/acpidump/apmain.c @@ -0,0 +1,340 @@ +/****************************************************************************** + * + * Module Name: apmain - Main module for the acpidump utility + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2014, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#define _DECLARE_GLOBALS +#include "acpidump.h" +#include "acapps.h" + +/* + * acpidump - A portable utility for obtaining system ACPI tables and dumping + * them in an ASCII hex format suitable for binary extraction via acpixtract. + * + * Obtaining the system ACPI tables is an OS-specific operation. + * + * This utility can be ported to any host operating system by providing a + * module containing system-specific versions of these interfaces: + * + * acpi_os_get_table_by_address + * acpi_os_get_table_by_index + * acpi_os_get_table_by_name + * + * See the ACPICA Reference Guide for the exact definitions of these + * interfaces. Also, see these ACPICA source code modules for example + * implementations: + * + * source/os_specific/service_layers/oswintbl.c + * source/os_specific/service_layers/oslinuxtbl.c + */ + +/* Local prototypes */ + +static void ap_display_usage(void); + +static int ap_do_options(int argc, char **argv); + +static void ap_insert_action(char *argument, u32 to_be_done); + +/* Table for deferred actions from command line options */ + +struct ap_dump_action action_table[AP_MAX_ACTIONS]; +u32 current_action = 0; + +#define AP_UTILITY_NAME "ACPI Binary Table Dump Utility" +#define AP_SUPPORTED_OPTIONS "?a:bcf:hn:o:r:svz" + +/****************************************************************************** + * + * FUNCTION: ap_display_usage + * + * DESCRIPTION: Usage message for the acpi_dump utility + * + ******************************************************************************/ + +static void ap_display_usage(void) +{ + + ACPI_USAGE_HEADER("acpidump [options]"); + + ACPI_OPTION("-b", "Dump tables to binary files"); + ACPI_OPTION("-c", "Dump customized tables"); + ACPI_OPTION("-h -?", "This help message"); + ACPI_OPTION("-o <File>", "Redirect output to file"); + ACPI_OPTION("-r <Address>", "Dump tables from specified RSDP"); + ACPI_OPTION("-s", "Print table summaries only"); + ACPI_OPTION("-v", "Display version information"); + ACPI_OPTION("-z", "Verbose mode"); + + printf("\nTable Options:\n"); + + ACPI_OPTION("-a <Address>", "Get table via a physical address"); + ACPI_OPTION("-f <BinaryFile>", "Get table via a binary file"); + ACPI_OPTION("-n <Signature>", "Get table via a name/signature"); + + printf("\n" + "Invocation without parameters dumps all available tables\n" + "Multiple mixed instances of -a, -f, and -n are supported\n\n"); +} + +/****************************************************************************** + * + * FUNCTION: ap_insert_action + * + * PARAMETERS: argument - Pointer to the argument for this action + * to_be_done - What to do to process this action + * + * RETURN: None. Exits program if action table becomes full. + * + * DESCRIPTION: Add an action item to the action table + * + ******************************************************************************/ + +static void ap_insert_action(char *argument, u32 to_be_done) +{ + + /* Insert action and check for table overflow */ + + action_table[current_action].argument = argument; + action_table[current_action].to_be_done = to_be_done; + + current_action++; + if (current_action > AP_MAX_ACTIONS) { + fprintf(stderr, "Too many table options (max %u)\n", + AP_MAX_ACTIONS); + exit(-1); + } +} + +/****************************************************************************** + * + * FUNCTION: ap_do_options + * + * PARAMETERS: argc/argv - Standard argc/argv + * + * RETURN: Status + * + * DESCRIPTION: Command line option processing. The main actions for getting + * and dumping tables are deferred via the action table. + * + *****************************************************************************/ + +static int ap_do_options(int argc, char **argv) +{ + int j; + acpi_status status; + + /* Command line options */ + + while ((j = acpi_getopt(argc, argv, AP_SUPPORTED_OPTIONS)) != EOF) + switch (j) { + /* + * Global options + */ + case 'b': /* Dump all input tables to binary files */ + + gbl_binary_mode = TRUE; + continue; + + case 'c': /* Dump customized tables */ + + gbl_dump_customized_tables = TRUE; + continue; + + case 'h': + case '?': + + ap_display_usage(); + exit(0); + + case 'o': /* Redirect output to a single file */ + + if (ap_open_output_file(acpi_gbl_optarg)) { + exit(-1); + } + continue; + + case 'r': /* Dump tables from specified RSDP */ + + status = + acpi_ut_strtoul64(acpi_gbl_optarg, 0, + &gbl_rsdp_base); + if (ACPI_FAILURE(status)) { + fprintf(stderr, + "%s: Could not convert to a physical address\n", + acpi_gbl_optarg); + exit(-1); + } + continue; + + case 's': /* Print table summaries only */ + + gbl_summary_mode = TRUE; + continue; + + case 'v': /* Revision/version */ + + printf(ACPI_COMMON_SIGNON(AP_UTILITY_NAME)); + exit(0); + + case 'z': /* Verbose mode */ + + gbl_verbose_mode = TRUE; + fprintf(stderr, ACPI_COMMON_SIGNON(AP_UTILITY_NAME)); + continue; + + /* + * Table options + */ + case 'a': /* Get table by physical address */ + + ap_insert_action(acpi_gbl_optarg, + AP_DUMP_TABLE_BY_ADDRESS); + break; + + case 'f': /* Get table from a file */ + + ap_insert_action(acpi_gbl_optarg, + AP_DUMP_TABLE_BY_FILE); + break; + + case 'n': /* Get table by input name (signature) */ + + ap_insert_action(acpi_gbl_optarg, + AP_DUMP_TABLE_BY_NAME); + break; + + default: + + ap_display_usage(); + exit(-1); + } + + /* If there are no actions, this means "get/dump all tables" */ + + if (current_action == 0) { + ap_insert_action(NULL, AP_DUMP_ALL_TABLES); + } + + return (0); +} + +/****************************************************************************** + * + * FUNCTION: main + * + * PARAMETERS: argc/argv - Standard argc/argv + * + * RETURN: Status + * + * DESCRIPTION: C main function for acpidump utility + * + ******************************************************************************/ + +int ACPI_SYSTEM_XFACE main(int argc, char *argv[]) +{ + int status = 0; + struct ap_dump_action *action; + u32 file_size; + u32 i; + + ACPI_DEBUG_INITIALIZE(); /* For debug version only */ + + /* Process command line options */ + + if (ap_do_options(argc, argv)) { + return (-1); + } + + /* Get/dump ACPI table(s) as requested */ + + for (i = 0; i < current_action; i++) { + action = &action_table[i]; + switch (action->to_be_done) { + case AP_DUMP_ALL_TABLES: + + status = ap_dump_all_tables(); + break; + + case AP_DUMP_TABLE_BY_ADDRESS: + + status = ap_dump_table_by_address(action->argument); + break; + + case AP_DUMP_TABLE_BY_NAME: + + status = ap_dump_table_by_name(action->argument); + break; + + case AP_DUMP_TABLE_BY_FILE: + + status = ap_dump_table_from_file(action->argument); + break; + + default: + + fprintf(stderr, + "Internal error, invalid action: 0x%X\n", + action->to_be_done); + return (-1); + } + + if (status) { + return (status); + } + } + + if (gbl_output_file) { + if (gbl_verbose_mode) { + + /* Summary for the output file */ + + file_size = cm_get_file_size(gbl_output_file); + fprintf(stderr, + "Output file %s contains 0x%X (%u) bytes\n\n", + gbl_output_filename, file_size, file_size); + } + + fclose(gbl_output_file); + } + + return (status); +} |
